Football Federation Australia (FFA), Newcastle and Jason Culina have ended a long-running battle over the A-League club's shock sacking of the former Socceroo.Culina was dismissed by the Jets on the eve of the 2011-12 A-League season, with the club citing medical concerns over their marquee man's surgically-repaired right knee.The ensuing wrangle became more complicated when the Jets lodged a complaint under FFA's grievance-resolution regulations in January - claiming the governing body negligently allowed Culina to play for Gold Coast United without appropriate insurance.Professional Footballers Australia (PFA) chief executive Brendan Schwab declared on Wednesday the parties had reached a resolution."The PFA is pleased that FFA, Newcastle Jets and Jason have reached a settlement by mutual agreement, the commercial terms of which are confidential," Schwab said in a statement."As a result, Jason's employment agreement with the Jets has also been terminated and he is free to continue his playing career elsewhere in the A-League."Culina was happy to put the matter to bed and is confident he'll return to the A-League soon."I look forward to resuming my playing career as soon as I have completed my rehabilitation, which is proceeding very well," Culina said."I would like to acknowledge the efforts of FFA and the Newcastle Jets to achieve a settlement and to avoid further legal proceedings."I would also like to thank the PFA for the support it has shown me throughout."As a result of the resolution, the scheduled June hearings of the National Dispute Resolution Chamber under the A-League Collective Bargaining Agreement will not proceed.